title: Cassaine and cassaidine: quantitative measurements of heart contractile force in situ.
mesh_terms: D045784:Abietanes; D000470:Alkaloids; D006321:Heart / Q000187:drug effects*; D006801:Humans; D009200:Myocardial Contraction
chemical_list: D045784:Abietanes; D000470:Alkaloids; C010696:cassaine
keywords: ALKALOIDS; HEART/effect of drugs on